diff --git a/docs/Project.toml b/docs/Project.toml
index 5d652ad..dfb2556 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -28,7 +28,7 @@ ForwardDiff = "0.10, 1"
 LinearAlgebra = "1"
 MINPACK = "1"
 MadNLP = "0.8"
-NLPModels = "0.21"
+NLPModels = "0.22"
 NLPModelsIpopt = "0.11"
 NonlinearSolve = "4"
 OptimalControl = "1"